CN102730020A - Coupler yoke and coupler buffering device - Google Patents

Coupler yoke and coupler buffering device Download PDF

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Publication number
CN102730020A
CN102730020A CN2011100822657A CN201110082265A CN102730020A CN 102730020 A CN102730020 A CN 102730020A CN 2011100822657 A CN2011100822657 A CN 2011100822657A CN 201110082265 A CN201110082265 A CN 201110082265A CN 102730020 A CN102730020 A CN 102730020A
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CN
China
Prior art keywords
district
carrying surface
tail frame
hook tail
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011100822657A
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Chinese (zh)
Inventor
姜岩
崔英俊
丛盛国
孟庆民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Qiqihar Rolling Stock Co Ltd
Original Assignee
Qiqihar Railway Rolling Stock Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qiqihar Railway Rolling Stock Co Ltd filed Critical Qiqihar Railway Rolling Stock Co Ltd
Priority to CN2011100822657A priority Critical patent/CN102730020A/en
Priority to BR112012022876-5A priority patent/BR112012022876B1/en
Priority to EA201391448A priority patent/EA025813B1/en
Priority to PCT/CN2011/074764 priority patent/WO2012129835A1/en
Priority to CA2785967A priority patent/CA2785967C/en
Priority to AU2011359051A priority patent/AU2011359051B2/en
Priority to US13/570,117 priority patent/US8684199B2/en
Publication of CN102730020A publication Critical patent/CN102730020A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61GCOUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00Draw-gear
    • B61G9/04Draw-gear combined with buffing appliances
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61GCOUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G1/00Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means
    • B61G1/40Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means with coupling bars having an enlarged or recessed end which slips into the opposite coupling part and is gripped thereby, e.g. arrow-head type; with coupling parts having a tong-like gripping action

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Vibration Dampers (AREA)
  • Package Frames And Binding Bands (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The invention discloses a coupler yoke and a coupler buffering device, which are used in the field of railway vehicle and provided to solve the problems in the prior art such as low strength, poor security and reliability. The coupler yoke comprises a hollow yoke body having a dual-rectangular-shaped cross section, wherein the inner side surface of one end of the hollow yoke body is a bearing surface, and at least part of a heavy load region is outwards convex relative to the end surface of a light load region in the bearing surface. The coupler yoke and the coupler buffering device are used for connecting couplers between train carriages, the carriages are connected to form a train and to transmit tractive forces in transportation, the existing structure of the bearing surface is changed by the arrangement of a middle groove, and the middle of the bearing surface, which is weak in bending resistance and deformation resistance, is separated from a contact with the bottom surface of a buffer to reduce the loading force on the middle of the bearing surface, thereby the strength of the coupler yoke is improved, the occurrences of crack and fracture accident in the application of the coupler yoke are reduced, the reliable connection of the train and the security in application are guaranteed, and the interchangeability between the coupler yoke of the invention and the existing coupler yoke is ensured at the same time.

Description

Hook tail frame and coupler and draft gear
Technical field
The present invention relates to a kind of vehicle connecting device, especially a kind of hook tail frame and coupler and draft gear that is used for railway vehicle connection hitch.
Background technology
Railway vehicle is divided into fixedly coupler and draft gear and swivel draw bar shock absorber with coupler and draft gear at present; Hook tail frame is the vitals of coupler and draft gear; Railway vehicle couples together through hitch; Hitch is connected with hook tail frame through draft key, thereby guarantees to connect between the rail vehicle, forms train transportation and transmitting tractive power.The hook tail frame that connects hitch has two kinds usually, and a kind of is fixing forging hook tail frame, and another kind is the rotation forging hook tail frame.Fixedly the hook tail frame of coupler and draft gear employing is a stay hook tail frame; As shown in Figure 1; Hitch 11 is connected through slave plate 13 with energy dispersers 15 in being arranged on stay hook tail frame 14; Be connected through wearing hook tailing axle 12 between hitch 11 and the stay hook tail frame 14, the inner end surface that stay hook tail frame 14 contacts with energy disperser 15 bottom surfaces is a carrying surface; The hook tail frame that the swivel draw bar shock absorber adopts is a swivel hook tail frame; As shown in Figure 2; Hitch 21 is connected through slave plate 23 with energy dispersers 25 in being arranged on swivel hook tail frame 24; Be connected through wearing hook tailing axle 22 between hitch 21 and the swivel hook tail frame 24, the inner end surface that swivel hook tail frame 24 contacts with energy disperser 25 bottom surfaces is a carrying surface; Hook tail frame in use mainly bears drawbar load; No matter be stay hook tail frame 14 or swivel hook tail frame 24, its carrying surface 10 is a plane, like Fig. 3, shown in 4; This kind structure partial strength weak; Along with the continuous increase of railway vehicle running velocity, traction tonnage, railway vehicle has had a strong impact on conveying efficiency and traffic safety with crackle, fracture accident showed increased that hook tail frame takes place like this.
Summary of the invention
The present invention provides a kind of hook tail frame, in order to solve defective of the prior art, effectively improves structural strength and the safety and the reliability of hook tail frame.
The embodiment of the invention provides a kind of hook tail frame; Comprise that cross-sectional plane is long three-back-shaped hollow framework; The said hollow framework wherein medial surface of an end is the carrying surface that is used for bearing load, and said carrying surface comprises heavy duty district and light loading district, and the loadintensity that the said relatively light loading district in said heavy duty district can make hook tail frame bear is bigger; Wherein, Said light loading district comprises the zone line and the fringe region of said carrying surface, and said heavy duty district is positioned between the zone line and fringe region of said carrying surface, has at least the said relatively light loading district end face in a part said heavy duty district outwards to protrude.
The embodiment of the invention provides a kind of coupler and draft gear; Comprise hitch, hook tail frame and be arranged on the energy disperser in the said hook tail frame, be provided with slave plate between said hitch and the said energy disperser, be equipped with the hook tailing axle between said hitch and the said hook tail frame; Said hook tail frame comprises that cross-sectional plane is long three-back-shaped hollow framework; The said hollow framework wherein medial surface of an end is the carrying surface that is used for bearing load, and said carrying surface comprises heavy duty district and light loading district, and the loadintensity that the said relatively light loading district in said heavy duty district can make hook tail frame bear is bigger; Wherein, Said light loading district comprises the zone line and the fringe region of said carrying surface, and said heavy duty district is positioned between the zone line and fringe region of said carrying surface, has at least the said relatively light loading district end face in a part said heavy duty district outwards to protrude.
Hook tail frame provided by the invention and coupler and draft gear, because carrying surface has been divided heavily loaded district and light loading district, heavily loaded district can the bigger load of bearing strength; The loadintensity that light loading district bears is less relatively; In other words, it is more reasonable than the distribution of stress that is positioned at light loading district hook tail frame to be exactly that the place of application of force is positioned at heavily loaded district, and the stress of carrying surface and other critical areas is littler; Like this; In use, be uniformly distributed with and do not distinguish, if load is greater than the limit of bearing of light loading district if be applied to the load of whole carrying surface; Other critical areas of this district or hook tail frame will at first produce distortion even crackle, thereby cause the damage of whole carrying surface or other critical areas; The heavy duty district here and the concrete shape of light loading district depend on the shape and the structure of carrying surface itself with distributing; Through carrying surface being divided heavy duty district and light loading district; And the relative light loading district of end face in heavy duty district is outwards protruded, like this, carrying surface is when receiving the impact of energy disperser bottom surface; The heavy duty district is owing to the end face protrusion receives bigger impact load; Light loading district is owing to depression receives less impact load, this kind changing of design existing carrying surface general layout and shape, the marginarium of weak middle part of its bending resistance distortion and stress concentration is broken away from contacts the suffered loading force of reduction with the energy disperser bottom surface; Through changing the intensity that stressed distribution improves afterbody deckle board weak part; Reduce the generation of crackle, fracture accident in use of hook tail frame, guarantee that train connects reliable and application safety, guarantees the interchangeability of hook tail frame of the present invention and existing hook tail frame simultaneously.
Description of drawings
Fig. 1 is the fixing structural representation of coupler and draft gear in the prior art;
Fig. 2 is the structural representation of swivel draw bar shock absorber in the prior art;
Fig. 3 is the main TV structure scheme drawing of hook tail frame in the prior art;
Fig. 4 is the plan structure scheme drawing of Fig. 3;
Fig. 5 is the structural representation of coupler and draft gear embodiment of the present invention;
Fig. 6 is the main TV structure scheme drawing of hook tail frame embodiment one of the present invention;
Fig. 7 is the plan structure scheme drawing of Fig. 6;
Fig. 8 is along the sectional structure scheme drawing of A-A among Fig. 6;
The main TV structure scheme drawing of Fig. 9 hook tail of the present invention frame embodiment two;
Figure 10 is the local main TV structure scheme drawing of hook tail frame embodiment three of the present invention;
Figure 11 is along the sectional structure scheme drawing of B-B among Figure 10;
Figure 12 is the local main TV structure scheme drawing of hook tail frame embodiment four of the present invention;
Figure 13 is along the sectional structure scheme drawing of C-C among Figure 12;
Figure 14 is the local main TV structure scheme drawing of hook tail frame embodiment five of the present invention;
Figure 15 is the local main TV structure scheme drawing of hook tail frame embodiment six of the present invention;
Figure 16 is along the sectional structure scheme drawing of D-D among Figure 15.
Reference numeral:
Hitch 11; Hook tailing axle 12; Slave plate 13;
Stay hook tail frame 14; Energy disperser 15; Hitch 21;
Hook tailing axle 22; Slave plate 23; Swivel hook tail frame 24;
Energy disperser 25; Carrying surface 10; Hitch 31;
Hook tailing axle 32; Slave plate 33; Hook tail frame 34;
Energy disperser 35; Hollow framework 1; Carrying surface 2;
Axis hole 3; Intermediate groove 20; Upper groove 30;
Low groove 40; Top 01; Lower part 02;
Inclined-plane 50; Loading plate 60; Carrying surface 011;
Carrying surface 012; Carrying surface 021; Carrying surface 022;
Loading plate outer face 61; Loading plate 70; Loading plate outer face 71;
Loading plate 80; Loading plate outer face 81.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Embodiment one
As shown in Figure 5; Specifically comprising hitch 31, hook tail frame 34 and being arranged on the energy disperser 35 in the hook tail frame 34 of coupler and draft gear of the present invention is provided with slave plate 33 between hitch 31 and the energy disperser 35, is equipped with hook tailing axle 32 between hitch 31 and the hook tail frame 34; The practical implementation of hook tail frame 34 is for example shown in Fig. 6-8; Comprise that cross-sectional plane is long three-back-shaped hollow framework 1, a hollow framework wherein end medial surface is a carrying surface 2, correspondingly on the upper side of the hollow framework of the other end relative with carrying surface 2, the downside is provided with the hook tailing axle that axis hole 3 is used to wear butt hook tail frame and hitch; Carrying surface comprises heavy duty district and light loading district; The concrete shape of heavy duty district and light loading district depends on the shape and the structure of carrying surface itself with distributing, and the loadintensity that the relative light loading district in heavy duty district can bear is bigger, and light loading district comprises the zone line and the fringe region of said carrying surface; The heavy duty district is positioned between the zone line and fringe region of carrying surface, has at least the said relatively light loading district end face in a part said heavy duty district outwards to protrude; Zone line comprises a horizontal stripe shape zone and/or a taeniae shape zone; Horizontal stripe shape zone distributes to its both sides along the width centreline of said carrying surface; Taeniae shape zone distributes to its both sides along the length line of centers of carrying surface; Zone line also comprises an enclosed shape zone, and the enclosed shape zone is its distribution all around of middle mind-set with the width centreline of carrying surface and the point of crossing of length line of centers; Fringe region comprises upper limb district, lower edge district and/or carrying surface left hand edge district, the right hand edge district of said carrying surface.
Carrying surface is an integral structure, and light loading district is " three " font, comprises upper limb district, lower edge district and the horizontal stripe shape zone of carrying surface, and this horizontal stripe shape zone is between upper limb district, lower edge district; Be provided with three grooves in the light loading district; Specifically be provided with intermediate groove 20 at the middle part (belonging to light loading district, horizontal stripe shape zone in the corresponding zone line) of carrying surface 2; The length of intermediate groove 20 is consistent with the length direction of hollow framework and carrying surface 2 is divided into top 01, lower part 02; (this place is area of stress concentration owing to the upper side with hook tail frame intersects, and the bending resistance distortion is weak in 01 upper end, top of carrying surface 2; Belong to light loading district; Corresponding carrying surface 2 upper limb districts) (be area of stress concentration, weakness is out of shape in bending resistance, belongs to light loading district with 02 lower end, lower part of carrying surface 2; The lower edge district of corresponding carrying surface, this place is owing to intersect with the downside of hook tail frame) be respectively arranged with upper groove 30 and low groove 40.The top 01 and the lower part 02 relative light loading district end face of carrying surface outwards protrude; Form the heavy duty district.
The internal face of intermediate groove 20, upper groove 30 and low groove 40 all is lower than carrying surface 2; Therefore in use; This part does not contact with the energy disperser bottom surface, thus avoided carrying surface 2 middle parts and upper and lower marginarium since stressed cause flexural deformation more greatly or crack, the generation of phenomenon such as fracture, changed the general layout of carrying surface 2; Thereby changed stressed distribution, avoided influencing the hook tail frame situation in service life because of carrying surface 2 local strengths weakness.The shape of this intermediate groove 20, upper groove 30 and low groove 40 can not limit at this for U-shaped, V-arrangement, semicircle, arc, trapezoidal or other are irregularly shaped etc.
As the preferred embodiment of hook tail frame of the present invention, light loading district is " day " font, also comprises the top that is positioned at carrying surface and the left hand edge district and the right hand edge district of lower part, and the left hand edge district and the right hand edge district of carrying surface are provided with inclined-plane 50 respectively; Specifically on the top of carrying surface 2 01 with the both sides (fringe region of the lower part 02 of carrying surface 2; Belong to light loading district; The left hand edge district and the right hand edge district of corresponding carrying surface) be respectively arranged with inclined-plane 50, these inclined-plane 50 relative carrying surfaces 2 slope inwardly, and promptly this inclined-plane 50 caves inward with respect to carrying surface; The top that is arranged so that carrying surface 01 on inclined-plane 50 and lower part 02 two side portions and energy disperser bottom surface disengage, and like this, have avoided being in the two side portions of boundary position because intensity is low in use cracks more greatly and rupture because of stressed; The top 01 of carrying surface 2 and the inclined-plane 50 of both sides thereof are arranged between upper groove 30 and the intermediate groove 20, and the lower part 02 of carrying surface 2 and the inclined-plane 50 of both sides thereof are arranged between intermediate groove 20 and the low groove 40; First place, inclined-plane between upper groove and intermediate groove and upper groove and the intermediate groove is connected to form annular recessed band; Inclined-plane between low groove and intermediate groove and low groove and the intermediate groove forms down annular recessed band, and the relative light loading district end face of carrying surface that last annular recessed band and following annular recessed band are surrounded outwards protrudes; Upper and lower two recessed regions of annular are centered around the top and the lower part of carrying surface middle respectively; Four jiaos of places of going up annular recessed band, following annular recessed region are area of stress concentration; Remainder is strength weak zone, so the strained condition of these two the recessed region of annular parts can influence the integral structure of hook tail frame, is key position; This kind structure of the present invention is this part internal face setting and all is lower than carrying surface; So in use two annular recessed regions and energy disperser bottom surface all disengage, and be stressed less relatively, thereby most of loading force is acted on the intensity higher top and lower part; Change the stressed distribution of carrying surface, thereby through reducing stressed bulk strength and the safety and the reliability that improves hook tail frame of intensity lower region part.
Embodiment two
Distortion as the foregoing description one; As shown in Figure 9, light loading district is sphere of movements for the elephants shape, on the basis of above-mentioned " day " font, also comprises taeniae shape zone; The taeniae shape also is provided with intermediate groove 20 in the zone; Intermediate groove 20 runs through annular recessed band and following annular recessed band up and down, will go up annular recessed band and be divided into recessed band of upper left annular and the recessed band of upper right annular, will descend annular recessed band to be divided into a left side annular recessed band and the recessed band of bottom right annular down; The carrying surface 022 relative light loading district end face that carrying surface 021 that annular recessed band is surrounded under the carrying surface 012 that the carrying surface 011 that the recessed band of upper left annular is surrounded, the recessed band of upper right annular are surrounded, the left side and the bottom right recessed band of annular are surrounded outwards protrudes, and forms the heavy duty district.
Also can in the light loading district of top 01 and lower part 02, be provided with and the consistent transverse concave groove of intermediate groove 20 directions; Also can in the light loading district of top 01 and lower part 02, be provided with and the vertical longitudinal fluting of intermediate groove 20 directions; Or can also in the light loading district of top 01 and lower part 02, pit be set; The carrying surface of the top of carrying surface and the relative remainder of light loading district end face on the lower part is caved inward; So that the light loading district on this top 01 and the lower part 02 is avoided contacting with the energy disperser bottom surface, reduce suffered loading force in use.
In the present embodiment, the internal face of upper groove 30, low groove 40 and intermediate groove 20 is cambered surface, and this cambered surface comprises how much cambered surfaces of rules such as arc surface, elliptical arc surface or other irregular cambered surfaces.The radius of the radian of upper groove 30 and the internal face of low groove 40 is quite and less than the radius of the radian of intermediate groove 20 internal faces.To improve the whole tensile strength and the compressive strength of hook tail frame afterbody, strengthen stability of structure and reliability.
The height of upper groove 30 and low groove 40 quite and greater than the width of the height of intermediate groove 20 or upper groove 30 and low groove 40 quite and less than the width of intermediate groove 20.According to the distribution of load in the use shape and the size of carrying surface are set, the raw MAT'L of identical material and quality improves its intensity through the wall thickness that increases hook tail frame relatively and practices thrift material more so that the overall construction intensity of hook tail frame is brought up to maximum.Have higher fatigue life simultaneously, adapt to the needs of Heavy-Haul Railway transportation development.The structure of hook tail frame of the present invention is not only applicable to Forging Technology and makes hook tail frame, is applicable to foundry technique manufacturing hook tail frame yet; The ever-increasing needs that can adapt to rail freight running velocity, traction tonnage reduce the generation of crackle, fracture accident in the use of hook tail frame, reduce utilization, maintenance workload and cost; Do not change the operating mode and the action principle of existing coupler and draft gear, can exchange with existing railway vehicle hook tail frame.
Embodiment three
Like Figure 10, shown in Figure 11, carrying surface is a sectional construction, and the carrying surface 10 of hollow framework 1 is provided with upper groove 30 and low groove 40 on light loading district; Heavy duty is distinguished in the form of a ring, and fixedly installing (specifically can adopt connection modes such as welding, riveted joint, bonding or bolt) on the heavily loaded area carrier face between upper groove 30 and the low groove 40 has a loading plate 60, and loading plate 60 in the form of a ring; Be illustrated as square ring-type; Certainly also can be circular, oval ring-type, rectangle, circle or other geometric configuratioies and do not limit, be preferably all symmetric shapes, the middle section (light loading district) of the corresponding carrying surface of the hollow parts of loading plate 60 at this; Be equipped with the gap between edge and upper groove 30, low groove 40 and the carrying surface dual-side; Loading plate outer face 61 relative carrying surfaces outwards protrude and form the heavy duty district, in use be arranged on hollow framework in the energy disperser bottom contact, the intensity of bearing load is bigger; Because the heavy duty district is positioned between the central authorities and edge of carrying surface; And the central authorities and the marginal portion of the just relative carrying surface of the intensity of this part bearing load are higher, are difficult for producing distortion, have increased the intensity of hollow framework on this kind structural entity.
Embodiment four
Like Figure 12, shown in Figure 13; The carrying surface 10 of hollow frame 1 is provided with two loading plates 70; The both sides that two loading plates 70 are separately positioned on the horizontal stripe shape zone of carrying surface 10 are upside and downside; This kind structure light loading district comprises upper limb district, lower edge district, left hand edge district, regional by marginarium and horizontal stripe shape, and light loading district is " day " font, and carrying surface is divided into the first half and the latter half; The heavy duty district is positioned at the first half and the latter half, and loading plate is separately positioned in the heavy duty district of the first half and the latter half.Loading plate is parallel and be symmetrical set along horizontal stripe shape zone.Stress balance.Two loading plate outer face 71 relative carrying surfaces 10 outwards protrude, and in use contact with the energy disperser bottom surface and bear heavy lift.
Embodiment five
A kind of distortion as embodiment four; The carrying surface 10 of hollow frame 1 is provided with the both sides that 70, two loading plates 70 of two loading plates are separately positioned on the horizontal stripe shape zone of carrying surface 10 and is left side and right side, and is shown in figure 14; This kind structure; Light loading district comprises upper limb district, lower edge district and taeniae shape zone, and light loading district is " worker " font, and carrying surface is divided into left-half and right half part; The heavy duty district is positioned at said left-half and right half part, and loading plate 70 is separately positioned in the heavy duty district of left-half and right half part.Loading plate is parallel and be symmetrical set along taeniae shape zone.Stress balance.
Upper left side and lower right side or other symmetric positions along the carrying surface middle section; Two loading plates 70 are parallel and be symmetrical set along the central area of carrying surface.
Embodiment six
Like Figure 15, shown in Figure 16; Light loading district comprises upper limb district, lower edge district, left hand edge district, right hand edge district and horizontal stripe shape zone and taeniae shape zone; Light loading district is sphere of movements for the elephants shape; Carrying surface is divided into upper left half part, upper right half part, left the latter half and bottom right half part, and the heavy duty district is positioned at upper left half part, upper right half part, left the latter half and bottom right half part, and the carrying surface 10 of hollow frame 1 is provided with four loading plates 80; Loading plate 80 is sphere of movements for the elephants shape to be arranged, is separately positioned in the heavy duty district of upper left half part, upper right half part, left the latter half and bottom right half part.Loading plate is parallel and along horizontal stripe shape zone and taeniae shape zone symmetry.Because loading plate outer face 81 relative carrying surfaces 10 outwards protrude, and in use contact with the energy disperser bottom surface and bear heavy lift.
Embodiment two, three, four is all through being provided with loading plate on carrying surface 10, form convex surface with the outer face of loading plate and be used to bear heavier load, changes the force part of carrying surface; Embodiment one is through groove or depression are set on carrying surface; Medial surface formation concave surface with groove or depression is used to bear lighter load; Form convex surface with the carrying surface beyond the medial surface of this groove or depression and be used to bear heavier load; Concrete shape of above-mentioned loading plate and depression or groove (can be regular shapes such as circle, ellipse, rectangle, triangle, polygon or other irregularly shaped) and quantity are not exceeded with the foregoing description, and the combined and arranged of the combined and arranged of loading plate and groove or depression is not exceeded with the foregoing description yet.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.

Claims (21)

1. hook tail frame; Comprise that cross-sectional plane is long three-back-shaped hollow framework, the said hollow framework wherein medial surface of an end is the carrying surface that is used for bearing load, it is characterized in that; Said carrying surface comprises heavy duty district and light loading district; The loadintensity that the said relatively light loading district in said heavy duty district can bear is bigger, and wherein, said light loading district is positioned at the zone line and the fringe region of said carrying surface; Said heavy duty district is positioned between the zone line and fringe region of said carrying surface, has at least the said relatively light loading district end face in a part said heavy duty district outwards to protrude.
2. hook tail frame according to claim 1; It is characterized in that; Said zone line comprises a horizontal stripe shape zone and/or a taeniae shape zone; Said horizontal stripe shape zone distributes to its both sides along the width centreline of said carrying surface, and said taeniae shape zone distributes to its both sides along the length line of centers of said carrying surface; Said fringe region comprises upper limb district, lower edge district and/or said carrying surface left hand edge district, the right hand edge district of said carrying surface.
3. hook tail frame according to claim 1 is characterized in that said zone line comprises an enclosed shape zone, and said enclosed shape zone is its distribution all around of middle mind-set with the width centreline of said carrying surface and the point of crossing of length line of centers.
4. according to the arbitrary described hook tail frame of claim 1-3, it is characterized in that said carrying surface is integral structure or sectional construction.
5. hook tail frame according to claim 4; It is characterized in that; Said carrying surface is an integral structure; Said light loading district is " three " font, comprises upper limb district, lower edge district and the horizontal stripe shape zone of said carrying surface, and wherein this horizontal stripe shape zone is between said upper limb district, lower edge district; Be provided with three grooves in the said light loading district; The length of said groove is all consistent with the length direction of said hollow framework and said carrying surface is divided into upper and lower two parts, and the top of this carrying surface and lower part form the heavy duty district, and said relatively light loading district end face outwards protrudes.
6. hook tail frame according to claim 5; It is characterized in that; Said light loading district also comprises the top that is positioned at said carrying surface and/or the regional area of lower part, is provided with depression in the said zone, and this depression is specially groove, pit or the intilted inclined-plane of said relatively carrying surface.
7. hook tail frame according to claim 5; It is characterized in that; Said light loading district is " day " font, also comprises the top that is positioned at said carrying surface and the left hand edge district and the right hand edge district of lower part, and the left hand edge district and the right hand edge district of said carrying surface are provided with said inclined-plane respectively; The first place, inclined-plane that wherein is arranged on the groove in said upper limb district and the horizontal stripe shape zone and is located between this two groove is connected to form annular recessed band; The inclined-plane that is arranged on the groove in said lower edge district and the horizontal stripe shape zone and is located between this two groove is connected to form down annular recessed band from beginning to end; The carrying surface that said annular recessed band and following annular recessed band are surrounded forms the heavy duty district, and said relatively light loading district end face outwards protrudes.
8. hook tail frame according to claim 7; It is characterized in that said light loading district is sphere of movements for the elephants shape, also comprise said taeniae shape zone; Said taeniae shape also is provided with groove in the zone; Said groove runs through said annular recessed band and the following annular recessed band up and down, and said annular recessed band is divided into recessed band of upper left annular and the recessed band of upper right annular, and said annular recessed band down is divided into a left side annular recessed band of annular recessed band and bottom right down; The carrying surface that annular recessed band and the bottom right recessed band of annular are surrounded under the recessed band of said upper left annular, the recessed band of upper right annular, the left side forms the heavy duty district, and said relatively light loading district end face outwards protrudes.
9. according to the arbitrary described hook tail frame of claim 5-8; It is characterized in that; Be respectively arranged with at least one groove on the top of said carrying surface and the lower part, this groove is consistent with groove direction in being located at said carrying surface upper limb district, lower edge district and horizontal stripe shape zone or consistent with the groove direction that is located in the said taeniae shape zone.
10. hook tail frame according to claim 9 is characterized in that the internal face of said groove is cambered surface.
11. hook tail frame according to claim 10; It is characterized in that, be located at groove and the radius of the radian that is located at the groove inner wall surface thereof said lower edge district in the said upper limb district quite and less than the radius of the radian that is located at the regional inner groovy internal face of said horizontal stripe shape.
12. hook tail frame according to claim 11 is characterized in that, be located in the said upper limb district groove be located at recess width said lower edge district in quite and less than the width that is located at the regional inner groovy of said horizontal stripe shape.
13. hook tail frame according to claim 4, said carrying surface is a sectional construction, and said heavy duty is distinguished in the form of a ring, and said heavy duty district is provided with a ring-type loading plate.
14. hook tail frame according to claim 13 is characterized in that, said ring-type loading plate is circular or is " returning " font.
15. hook tail frame according to claim 4; It is characterized in that; Said light loading district comprises upper limb district, lower edge district, left hand edge district, regional by marginarium and horizontal stripe shape, and said light loading district is " day " font, and said carrying surface is divided into the first half and the latter half; Said heavy duty district is positioned at said the first half and the latter half, is respectively arranged with loading plate in the heavy duty district of said the first half and the latter half.
16. hook tail frame according to claim 15 is characterized in that, said loading plate is parallel and be symmetrical set along said horizontal stripe shape zone.
17. hook tail frame according to claim 4; It is characterized in that; Said light loading district comprises upper limb district, lower edge district and taeniae shape zone, and said light loading district is " worker " font, and said carrying surface is divided into left-half and right half part; Said heavy duty district is positioned at said left-half and right half part, is respectively arranged with loading plate in the heavy duty district of said left-half and right half part.
18. hook tail frame according to claim 17 is characterized in that, said loading plate is parallel and be symmetrical set along said taeniae shape zone.
19. hook tail frame according to claim 4; It is characterized in that; Said light loading district comprises upper limb district, lower edge district, left hand edge district, right hand edge district and horizontal stripe shape zone and taeniae shape zone; Said light loading district is sphere of movements for the elephants shape; Said carrying surface is divided into upper left half part, upper right half part, left the latter half and bottom right half part, and said heavy duty district is positioned at said upper left half part, upper right half part, left the latter half and bottom right half part, is respectively arranged with loading plate in the heavy duty district of said upper left half part, upper right half part, left the latter half and bottom right half part.
20. hook tail frame according to claim 19 is characterized in that, said loading plate parallel and said horizontal stripe shape zone, edge and taeniae shape zone symmetry.
21. coupler and draft gear; Comprise hitch, hook tail frame and be arranged on the energy disperser in the said hook tail frame; Be provided with slave plate between said hitch and the said energy disperser; Be equipped with the hook tailing axle between said hitch and the said hook tail frame, it is characterized in that, said hook tail frame is arbitrary described hook tail frame among the aforesaid right requirement 1-20.
CN2011100822657A 2011-04-01 2011-04-01 Coupler yoke and coupler buffering device Pending CN102730020A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CN2011100822657A CN102730020A (en) 2011-04-01 2011-04-01 Coupler yoke and coupler buffering device
BR112012022876-5A BR112012022876B1 (en) 2011-04-01 2011-05-27 coupler fork and coupling traction equipment
EA201391448A EA025813B1 (en) 2011-04-01 2011-05-27 Coupler yoke (embodiments) and coupler draft gear
PCT/CN2011/074764 WO2012129835A1 (en) 2011-04-01 2011-05-27 Coupler yoke and coupler draft gear
CA2785967A CA2785967C (en) 2011-04-01 2011-05-27 Coupler yoke and coupler draft gear
AU2011359051A AU2011359051B2 (en) 2011-04-01 2011-05-27 Coupler yoke and coupler draft gear
US13/570,117 US8684199B2 (en) 2011-04-01 2012-08-08 Coupler yoke and coupler draft gear

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CN2011100822657A CN102730020A (en) 2011-04-01 2011-04-01 Coupler yoke and coupler buffering device

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CN102730020A true CN102730020A (en) 2012-10-17

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CN (1) CN102730020A (en)
AU (1) AU2011359051B2 (en)
BR (1) BR112012022876B1 (en)
CA (1) CA2785967C (en)
EA (1) EA025813B1 (en)
WO (1) WO2012129835A1 (en)

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CN105946891A (en) * 2016-05-10 2016-09-21 佳木斯大学 Magnetic oxygen-carbon tank integrated buffer device special for train
CN107117184A (en) * 2017-06-23 2017-09-01 中车资阳机车有限公司 A kind of shipping motor-car even worries leading-in device
CN112388303A (en) * 2020-10-27 2021-02-23 中车长江车辆有限公司 Assembling device and assembling method for coupler buffer device
CN112793615A (en) * 2021-02-09 2021-05-14 大连华锐重工冶金设备制造有限公司 Short compact car coupler buffer device

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US9701323B2 (en) 2015-04-06 2017-07-11 Bedloe Industries Llc Railcar coupler
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RU208688U1 (en) * 2021-08-25 2021-12-29 Акционерное общество «Научно-производственная корпорация «Уралвагонзавод» имени Ф.Э. Дзержинского» TRACTION CLAMP
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CN104114432A (en) * 2012-11-01 2014-10-22 三菱重工机械科技株式会社 Support device and conveyance device
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BR112012022876A2 (en) 2018-06-05
AU2011359051A1 (en) 2012-10-18
CA2785967A1 (en) 2012-10-01
US20120298610A1 (en) 2012-11-29
EA201391448A1 (en) 2014-02-28
AU2011359051B2 (en) 2014-12-11
EA025813B1 (en) 2017-01-30
WO2012129835A1 (en) 2012-10-04
US8684199B2 (en) 2014-04-01
CA2785967C (en) 2015-05-12
BR112012022876B1 (en) 2020-12-29

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Application publication date: 20121017